IT454603A - - Google Patents

Info

Publication number
IT454603A
IT454603A IT454603DA IT454603A IT 454603 A IT454603 A IT 454603A IT 454603D A IT454603D A IT 454603DA IT 454603 A IT454603 A IT 454603A
Authority
IT
Italy
Application number
Other languages
Italian (it)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of IT454603A publication Critical patent/IT454603A/it

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
IT454603D 1947-01-29 IT454603A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR941283T 1947-01-29

Publications (1)

Publication Number Publication Date
IT454603A true IT454603A (sv)

Family

ID=9468248

Family Applications (1)

Application Number Title Priority Date Filing Date
IT454603D IT454603A (sv) 1947-01-29

Country Status (2)

Country Link
FR (1) FR941283A (sv)
IT (1) IT454603A (sv)

Also Published As

Publication number Publication date
FR941283A (fr) 1949-01-06

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